Galaxy S21 Ultra Battery Case 8000mAh



Product Details

  • Extend about 110% Power to Galaxy S21 Ultra
  • Fast Charging & Wireless Charging Supported: With premium Li-polymer batteries, ZeroLemon Ultra Power Galaxy S21 Ultra 8000mAh battery case can be fast charged by QC 3.0 chargers, PD chargers, and Samsung 25W USB C super fast PPS chargers; Phone S21 Ultra also can be fast charged through the case with these chargers too; For the sake of security, the battery case is not designed to fast charge the phone.
  • Android Auto & Samsung Dex & Data SYNC Supported: Samsung Dex passing through the case only works with USB C to C cables; doesn't work with HDMI cables.
  • The Full-edge soft TPU case protects your phone from daily wear and tears.
  • This battery case doesn't support AKG Wired USB-C Headset or OTG anymore.

Package Contents:

  • 1 x Battery Case for Galaxy S21 Ultra
  • 1 x User Manual
  • 1 x ZeroLemon Zero Defect Card


  • Battery Input: 5V/1.8A (Max)
  • Battery Output: 5V/1.5A
  • Case Dimension: 6.71 x 3.13 x 0.96 in(L x W x H)
  • Product Weight: 6.56 oz


The edge Panel function of the phone will be useless when the battery case is installed
This case is not designed to provide screen protection. 
This battery case is NOT compatible with a full edge tempered glass screen protector. 
Press the power button 3-5 seconds to start and stop charging.

Download Manual Instruction


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